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Last activity 2017-07-21 17:00:08 +0200 by endnode

BLE_EVT_TX_COMPLETE in S132 v4.0.2

Hi,

I am working on testing this modification on the ble_hrs example. The idea is to send data sequentially as notifications.

However, BLE_EVT_TX_COMPLETE seems to have disappeared in S132 V4.0.2.

By looking at the infocenter, I notice sd_ble_gatts_hvx ... (more)

21
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no
votes
1
answer
Last activity 2017-07-21 16:28:04 +0200 by saiteja

How to print out the time stamp in nRF log [closed]

Currently developing on NRF52 sdk12

I want to be able to show time stamp minutes:seconds:miliseconds on my RTT viewer, when I print my data out from the uC. Any hits on how to do that?

I'm looking ... (more)

22
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no
votes
no
answers
Last activity 2017-07-21 11:09:55 +0200 by sara

Disable NFC Interrupt

Hi,

The NFC function is set to read only in my application. I don't want to wake up my system when someone tap on my device to read the NFC data. (assume this method can save more power)

Should ... (more)

34
views
1
vote
1
answer
Last activity 2017-07-20 11:56:40 +0200 by levshkatov

Can't connect Android to nRF52832

I'm trying to create a connection between Android 6.0 and nRF52832. I created a service, like in tutorial, added it's uuid to adv packet (I seeit in nRF Connection). I can connect to it using nRF Connection ... (more)

25
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2
votes
1
answer
Last activity 2017-07-19 22:29:40 +0200 by Greg Nowak

Peer Manager disconnect after connection with NRF52 and Android 7.0

I'm attempting to use Peer Manager with my nRF52832 module as a peripheral with an Android 7.0 phone as the central device.

My program is a mix between the NUS example and the Template (for the PM side ... (more)

30
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1
vote
1
answer
Last activity 2017-07-19 10:58:37 +0200 by Michal

after sd_flash_page_erase softdevice does not generate event

Hi,

I managed to get dfu working in application (with hrs). But on the last attempt to erase page with bootloader settings there is no event generated from softdevice and I get stuck on attempt to store new settings. When ... (more)

41
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3
votes
1
answer
Last activity 2017-07-19 09:52:21 +0200 by q

Find a service characteristics' handles

Hello,

I am implementing a custom service with several characteristics, one of which is the current temperature. A second characteristic notifies the user if the temperature is above a predefined level, so I would like this second characteristic to be ... (more)

45
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1
vote
1
answer
Last activity 2017-07-18 15:38:14 +0200 by endnode

Strategy for sending alert to phone from nrf52

Hello,

I am trying to create an application that sends a notification from the nrf52 to a smartphone when a sensor reading exceeds a certain value. Would the immediate alert service be appropriate here, or should I just add a ... (more)

29
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1
vote
1
answer
Last activity 2017-07-18 10:59:06 +0200 by Jørgen Holmefjord flag of Norway

Combining NDEF messages

I want to use the Launch App message as well as the Text Record Message together, so that when my app is launched, I can also access the message that will give me something like the device name.

IS this ... (more)

12
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no
votes
no
answers
Last activity 2017-07-17 18:42:38 +0200 by Ramkumar

Declaration of en_text_rec in NRF52 NFC Record text Example [closed]

    static void en_record_add(nfc_ndef_msg_desc_t * p_ndef_msg_desc)
{
    /** @snippet [NFC text usage_1] */
    uint32_t             err_code;
    static const uint8_t en_payload[] =
                  {'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', '!'};
    static const uint8_t en_code[] = {'e', 'n'};

    NFC_NDEF_TEXT_RECORD_DESC_DEF(en_text_rec,
                                  UTF_8,
                                  en_code,
                                  sizeof(en_code),
                                  en_payload,
                                  sizeof(en_payload ...
(more)

61
views
3
votes
1
answer
Last activity 2017-07-17 15:52:17 +0200 by Bert

SDK11 serial DFU to s132v4 from s132v2

Recently I have been working with the serial bootloader from SDK 11. I can upload a softdevice, and supporting application using this bootloader without issue, as long as it’s the same softdevice version. In the case of SDK 11 ... (more)

39
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no
votes
1
answer
Last activity 2017-07-17 15:30:25 +0200 by John DeWitt flag of United States

SHT10 temperature and humidity sensor library for nRF52832

Hi,

I'm building a project with nRF52832 dev kit and the SHT10 temperature and humidity sensor, I'm searching for a library/example project of this sensor and the nRF52. So far I didn't find one, are you ... (more)

31
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1
vote
1
answer
Last activity 2017-07-17 13:36:08 +0200 by Petter Myhre flag of Norway

multiperipheral use different connection parameters at the same time

Hi,everyone I am using S132 and SDK13 to set two peripheral links,now i want connect two centers using different connection parameters at the same time,for example,connect one center with 20ms interval and connect another center with ... (more)

48
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3
votes
1
answer
Last activity 2017-07-17 10:21:33 +0200 by endnode

How to Advertising and Scan at the same time

I am now using 52832 to do a project, need to send a BLE broadcast package first, and then wait for 2ms to start scan, what examples can I refer to?

13
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no
votes
no
answers
Last activity 2017-07-14 12:59:12 +0200 by Michal

NVMC does not work in bootloader

Hi,

I am trying to write my own bootloader. I gather new image via serial and store it in flash in my application at 0x30000 then invoke reset and in bootloader I want to copy image to application space. I ... (more)

27
views
1
vote
1
answer
Last activity 2017-07-14 12:55:58 +0200 by Sigurd flag of Norway

Confusing about the system off mode of 52832

Hi,

I was testing the pwr_mgmt project in the nRF5_SDK_13.0.0 with my 52DK, the system off mode seems work fine ,cause the log information is right,but the question is that when 52832 enters system off mode the ... (more)

66
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no
votes
1
answer
Last activity 2017-07-14 11:28:05 +0200 by san27deep

How can i use ble in no connection status?

Hello, all.

First, I don't live in English country. So, My sentence may be false.

I want to develope ble communication without pairing.

In this status, I will communicate uart to computer.

I am in short of English, but ... (more)

59
views
1
vote
1
answer
Last activity 2017-07-12 13:57:03 +0200 by JosePastor23

DFU-OTA bootloader only once

Hi,

I'm using the nrf5283 chip alongside with the SDK12.1. I have a strange situation related with the bootloader dfu.

First I flash with the programmer a merged hex file that contains SD+BL+APP. Afterwards, I try ... (more)

50
views
2
votes
1
answer
Last activity 2017-07-12 12:44:12 +0200 by Hung Bui

power consumption on nRF52832 with UART

I am testing the nRF52832 in Rigado BMD-301 module. I am able to get to ~40uA when advertising ,UART enabled but not used and all other peripherals disabled. But as soon as i try reading from UART, the current consumption ... (more)

34
views
no
votes
no
answers
Last activity 2017-07-12 09:29:25 +0200 by tirumala

How to create dfu file and send to serial with my own tool

We are working on a project using nrf52832 module and GPRS device. Here we are facing a challenge in updating the firmware to BL652 over GPRS and server.

nrf52832 is connected to serial port of GPRS device and GPRS is ... (more)

36
views
no
votes
no
answers
Last activity 2017-07-11 22:44:50 +0200 by Ramkumar

Hex File for experimental_ble_app_hrs_nfc_pairing [closed]

s132_nrf52_5.0.0-3.alpha_softdevice.hex(/attachment/26a9916e1af8c97bcba7185035bd7b31)Hi, I am starting to work on NFC and Bluetooth pairing for the nrf52 and i tried to compile this example on Keil and it doesnt allow me to as the size is ... (more)

32
views
1
vote
1
answer
Last activity 2017-07-11 19:14:13 +0200 by beres1800

ble_advertising_init returned error 7 [closed]

Hi there,

I am working on the SDK13 project template that I am modifying in order to install a vendor type uuid. But my code crash on "advertising_init" and ble_advertising_init returns error invalid parameter. However, I do not find what ... (more)

53
views
1
vote
1
answer
Last activity 2017-07-11 14:36:19 +0200 by Joakim Jakobsen flag of Norway

gap_conn_cfg vs role_count_cfg

I would like to use twenty concurrent connections. As I understand I should set ble_cfg.gap_cfg.role_count_cfg.periph_role_count = 20 and ble_cfg.conn_cfg.params.gap_conn_cfg.conn_count = 20. What is the difference between these two parameters? What happens if I put different ... (more)

27
views
no
votes
no
answers
Last activity 2017-07-11 07:51:41 +0200 by Siva

Issue with serial DFU on NRF52

Hi All,

I am trying to get the serial DFU working with nRF52832 development kit with SDK 13. I am able to get the bootloader flashed and have installed the nrfUtil tool. I followed the exact sequence of the steps ... (more)

23
views
no
votes
no
answers
Last activity 2017-07-07 22:32:20 +0200 by khan_khan

dfu unsuccessful on nRF5_SDK_13.0.0-1.alpha_055eef3

i am using nRF5_SDK_13.0.0-1.alpha_055eef3 s132_nrf52_5.0.0-1.alpha_softdevice and used examples\dfu\bootloader_secure\pca10040\ for secure DFu OTA .everytime i try i get the same 8202 error by using toolbox app and [DFU]: REMOTE DFU OPERATION FAILED ... (more)

58
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no
votes
1
answer
Last activity 2017-07-06 14:51:25 +0200 by Gerlic

How long am I holding a button app_uart example

Hi,

I am trying to change the uart example using NRF 52 with SDK 12.3, so that I would hold a button pressed and it would send the time of button being pressed after release to my PC via ... (more)

33
views
no
votes
1
answer
Last activity 2017-07-05 12:41:20 +0200 by Jørgen Holmefjord flag of Norway

How to implement mbed uVisor on NRF52832

I would like to implement the mbed uVisor on the NRF52832 SoC with the softdevice s132. So I created the configuration files and wrote some code.

Now I have problems with the linker:

Link: uvisor_example2
./BUILD/NRF52_DK/GCC_ARM/.link_script.ld ...
(more)

43
views
3
votes
1
answer
Last activity 2017-07-04 14:28:21 +0200 by Vidar Berg

Peer manager flash write disabling

Hello,

i am writing an application which uses the SDK13 peer manager library for bonding. The Nordic chip is acting as a peripheral.

Is there an easy way to prevent the peer manager from saving every change to flash memory ... (more)

46
views
no
votes
no
answers
Last activity 2017-07-04 12:15:04 +0200 by saiteja

Unable to Run Application hex after OTA

Hi, i am using nrf52, sdk11 and S132v2.0.0. so i want to flash the hex file using OTA so that, i have create zip file using fallowing command.

**nrfutil dfu genpkg --application /nRF5_SDK_11.0.0_89a8197/examples/ble_peripheral/ble_app_hrs ...
(more)

38
views
no
votes
1
answer
Last activity 2017-07-03 06:49:41 +0200 by David

fs_store event handler not being fired

I have a NRF52382 DK and cannot seem to get the fs_store callback to fire.

here is my fs_config callback function:

static uint8_t fs_callback_flag;
void fs_evt_handler(fs_evt_t const * const evt, fs_ret_t result){
    fs_callback_flag = 0;}

here is my storage write function ... (more)

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  • Resolved questions: 9857
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  • Total questions: 23725